Structural Engineering and Mechanics

  • 제54권5호
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  • Pages.909-922
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  • 2015
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Numerical and experimental study on dynamic response of moored spar-type scale platform for floating offshore wind turbine

  • Choi, E.Y. (School of Mechanical Engineering, Pusan National University) ;
  • Cho, J.R. (School of Mechanical Engineering, Pusan National University) ;
  • Cho, Y.U. (School of Mechanical Engineering, Pusan National University) ;
  • Jeong, W.B. (School of Mechanical Engineering, Pusan National University) ;
  • Lee, S.B. (School of Mechanical Engineering, Pusan National University) ;
  • Hong, S.P. (Global Core Research Center for Ships and Offshore Plants, Pusan National University) ;
  • Chun, H.H. (Global Core Research Center for Ships and Offshore Plants, Pusan National University)
  • 투고 : 2014.08.04
  • 심사 : 2015.03.04
  • 발행 : 2015.06.10
⟨ 이전 논문 다음 논문 ⟩

초록

The dynamic response and the mooring line tension of a 1/75 scale model of spar-type platform for 2.5 MW floating offshore wind turbine subject to one-dimensional regular harmonic wave are investigated numerically and verified by experiment. The upper part of wind turbine which is composed of three rotor blades, hub and nacelle is modeled as a lumped mass the scale model and three mooring lines are pre-tensioned by means of linear springs. The coupled fluid-rigid body interaction is numerically simulated by a coupled FEM-cable dynamics code, while the experiment is performed in a wave tank with the specially-designed vision and data acquisition system. The time responses of surge, heave and pitch motions of the scale platform and the mooring line tensions are obtained numerically and the frequency domain-converted RAOs are compared with the experiment.

키워드

과제정보

연구 과제번호 : 에너지·자원개발용조선해양플랜트미래기술인력양성사업단

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